Upload a video to firebase using Swift - ios

Question

I am trying to pick a video from the camera roll and then uploading that video to firebase storage. So far I am able to pick a video but it is not uploading to firebase, how can I upload it to firebase storage?
func uploadVideoToDB(url: URL){
let storageReference = Storage.storage().reference().child("video.mov")
storageReference.putFile(from: url)
}
func fetchVideos(section: Int){
imagePickerController.sourceType = .photoLibrary
imagePickerController.delegate = self
imagePickerController.mediaTypes = ["public.movie"]
present(imagePickerController, animated: true, completion: nil)
}
func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [UIImagePickerController.InfoKey : Any]){
let url = info[UIImagePickerController.InfoKey(rawValue: "UIImagePickerControllerReferenceURL")] as? NSURL
DataService.instance.uploadVideoToDB(url: url! as URL)
imagePickerController.dismiss(animated: true, completion: nil)
}

Answer 1

Call this function to upload the video to firebase storage
func uploadTOFireBaseVideo(url: URL,
success : #escaping (String) -> Void,
failure : #escaping (Error) -> Void) {
let name = "\(Int(Date().timeIntervalSince1970)).mp4"
let path = NSTemporaryDirectory() + name
let dispatchgroup = DispatchGroup()
dispatchgroup.enter()
let documentsURL = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask)[0]
let outputurl = documentsURL.appendingPathComponent(name)
var ur = outputurl
self.convertVideo(toMPEG4FormatForVideo: url as URL, outputURL: outputurl) { (session) in
ur = session.outputURL!
dispatchgroup.leave()
}
dispatchgroup.wait()
let data = NSData(contentsOf: ur as URL)
do {
try data?.write(to: URL(fileURLWithPath: path), options: .atomic)
} catch {
print(error)
}
let storageRef = Storage.storage().reference().child("Videos").child(name)
if let uploadData = data as Data? {
storageRef.putData(uploadData, metadata: nil
, completion: { (metadata, error) in
if let error = error {
failure(error)
}else{
let strPic:String = (metadata?.downloadURL()?.absoluteString)!
success(strPic)
}
})
}
}
Following function converts the video to mp4 format so that it can be viewed on any device either it be iOS or android
func convertVideo(toMPEG4FormatForVideo inputURL: URL, outputURL: URL, handler: #escaping (AVAssetExportSession) -> Void) {
try! FileManager.default.removeItem(at: outputURL as URL)
let asset = AVURLAsset(url: inputURL as URL, options: nil)
let exportSession = AVAssetExportSession(asset: asset, presetName: AVAssetExportPresetHighestQuality)!
exportSession.outputURL = outputURL
exportSession.outputFileType = .mp4
exportSession.exportAsynchronously(completionHandler: {
handler(exportSession)
})
}

Answer 2

This is what did it for me:
needed to convert url into Data then use putData instead of putFile
func uploadVideoToDB(url: URL){
let filename = UUID().uuidString
let ref = Storage.storage().reference().child("videos").child("\(filename).mp4")
do {
let videoData = try Data(contentsOf: url)
ref.putData(videoData)
} catch {
print(error)
}
}